The history of messaging, and where it’s going
There are in my view four main phases in the history of online and mobile messaging. The first phase included e-mail and to some extent real-time messaging (in the form of chat rooms), but was strictly within walled gardens. You could only communicate with others using the same proprietary service provider (America Online, Compuserve, Delphi, etc.). The second phase was the beginning of interconnected systems and the Internet. E-mail no longer stayed on a single server, but could go between companies. Real-time messaging, switched from chats that people had to join, to curated lists of friends, the buddy list, which dictated who you could chat with and allowed people to know when you were available for chat. To chat with someone you needed to know their username (or be able to find it in a directory). In some implementations, such as MSN Messenger, the other user had to approve you being able to see if they were online, but in others like AIM, you could see who was online as long as you knew their username (assuming they had not blocked you). The third phase was the emergence of text messaging on cell phones. This includes SMS, which spread initially…